Finding the Fourth Proportional to 91,108.44, 136,649.44 and 34,962.68
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Solution
The fourth proportional to 91,108.44, 136,649.44 and 34,962.68 is: 52,438.95
Step by Step Solution
- Step 1: Write the proportion equation
91,108.44 : 136,649.44 = 34,962.68 : x - Step 2: Convert to fraction form
91,108.44/136,649.44 = 34,962.68/x - Step 3: Cross multiply
91,108.44x = 136,649.44 × 34,962.68 - Step 4: Simplify right side
91,108.44x = 4,777,630,897.12 - Step 5: Solve for x
x = 4,777,630,897.12/91,108.44 - Step 6: Final answer
x = 52,438.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.